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688903eb3e
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38 lines
1.2 KiB
C
38 lines
1.2 KiB
C
/* Change the size of an allocated block.
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Copyright (C) 2017-2018 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, see <http://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <malloc.h>
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#include <malloc/malloc-internal.h>
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void *
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__libc_reallocarray (void *optr, size_t nmemb, size_t elem_size)
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{
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size_t bytes;
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if (check_mul_overflow_size_t (nmemb, elem_size, &bytes))
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{
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__set_errno (ENOMEM);
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return 0;
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}
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else
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return realloc (optr, bytes);
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}
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libc_hidden_def (__libc_reallocarray)
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weak_alias (__libc_reallocarray, reallocarray)
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